Home / 220,977.27-304,937.78-125,471.43

Finding the Fourth Proportional to 220,977.27, 304,937.78 and 125,471.43

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Solution

The fourth proportional to 220,977.27, 304,937.78 and 125,471.43 is: 173,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,977.27 : 304,937.78 = 125,471.43 : x
  2. Step 2: Convert to fraction form
    220,977.27/304,937.78 = 125,471.43/x
  3. Step 3: Cross multiply
    220,977.27x = 304,937.78 × 125,471.43
  4. Step 4: Simplify right side
    220,977.27x = 38,260,978,690.27
  5. Step 5: Solve for x
    x = 38,260,978,690.27/220,977.27
  6. Step 6: Final answer
    x = 173,144.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.